[clang] [clang] Add a timeout to avoid a hang when errors cause a subprocess to stall (PR #217814)

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llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Chandler Carruth (chandlerc)

<details>
<summary>Changes</summary>


Assisted-by: Antigravity with Gemini

---
Full diff: https://github.com/llvm/llvm-project/pull/217814.diff


1 Files Affected:

- (modified) clang/test/lit.cfg.py (+2-1) 


``````````diff
diff --git a/clang/test/lit.cfg.py b/clang/test/lit.cfg.py
index f7ac5d6d6676e..9b7bd1d329d22 100644
--- a/clang/test/lit.cfg.py
+++ b/clang/test/lit.cfg.py
@@ -160,8 +160,9 @@ def have_host_out_of_process_jit_feature_support():
             stdout=subprocess.PIPE,
             stderr=subprocess.PIPE,
             input=testcode,
+            timeout=5,
         )
-    except OSError:
+    except (OSError, subprocess.TimeoutExpired):
         return False
 
     if clang_repl_cmd.returncode == 0:

``````````

</details>


https://github.com/llvm/llvm-project/pull/217814